HOW TO CHANGE THE WINDOWS WELCOME SCREEN 

STEP 1: FIRSTLY, TO KNOW OUR SCREEN RESOLUTION RIGHT CLICK ON THE DESKTOP AND CLICK ON THE SCREEN RESOUTION
STEP 2: OR, GOTO GOOGLE CHROME AND GOTO www.whatismyscreenresolution.com and note your screen resolution
STEP 3: AGAIN GOTO GOOGLE CHROME AND SELECT GOOGLE IMAGE SEARCH.
STEP 4: SELECT ADVANCED SEARCH
STEP 5: TYPE THE WORD YOU WANT TO SEARCH
STEP 6: GOTO IMAGE SIZE AND SELECT EXACTLY AND TYPE THE RESOLUTION OF YOUR SCREEN. THAT IS WIDTH AND HEIGHT
STEP 7: AND DOWNLOAD THE ANY IMAGE
STEP 8: SEARCH FOR THE “REGEDIT” IN THE SEARCH IN THE START BUTTON
STEP 9: AN ICON LIKE A CUBE WILL APPEAR. DOUBLE CLICK ON THAT ICON
STEP 10: A DIALOGUE BOX WILL APPEAR WITH THE NAME “REGISTRY EDITOR”
STEP 11: IN THAT DIALOGUE BOX FIND THIS PATH {HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Authentication\LogonUI\Background}
STEP 12: NOW ON OUR RIGHT SIDE OF THE DIAGOGUE BOX WE CAN FIND A NAME: (DEFAULT) TYPE: REG_SZ DATA: (value not set)
STEP 13: NOW RIGHT CLICK ON THAT PLACE AND SELECT A NEW OPTION
STEP 14: IN NEW OPTION WE CAN FIND “DWORD (32-bit ) value”, CLICK ON IT
STEP 15: NAME THAT ICON AS “OEMBackground”
STEP 16: NOW OPEN IT, A DIALOGUE BOX WILL APPEAR WITH THE NAME “Edit DWORD (32-bit) value”
STEP 17: VALUE NAME: OEMBackground
              VALUE DATA: 1
              BASE: Hexadecimal
CLICK ON “OK”
STEP 18: NOW CLOSE THE WINDOW
STEP 19: NOW OPEN THE PATH {MY COMPUTER\ LOCAL DISK(C)\ WINDOWS\ system32\ oobe}
STEP 20: CREATE A NEW FOLDER IN THIS PATH AND NAME IT AS “info”
STEP 21: OPEN THE FOLDER AND AGAIN CREATE A NEW FOLDER AND NAME IT AS “backgrounds”
STEP 22: NOW MOVE THE DOWNLOADED IMAGE TO THE NEW FOLDER CREATED WITH THE NAME “backgrounds”. A DIALOGUE BOX APERARS THEN CLICK ON CONTINUE
STEP 23: NOW CLOSE ALL THE WINDOWS AND RESTART THE COMPUTER
STEP 24: NOW THE WINDOWS WELCOME SCREEN WILL BE CHANGED